The 3M™ Laptop Privacy Filter PFMA13 custom cut for the Apple® 13" unibody MacBook Air®. Using 3M™ microlouver technology the filter gives full 60o privacy protection on either side, protection sensitive information from unauthorised viewing.3M™ PFMA13 Laptop Privacy Filter MacBook® Air 13"- 3M™ PFMA13 Laptop Privacy Filter MacBook® Air 13"- Actual filter dimensions are 7 1/16" high x 11 1/4" wide- Helps keep on-screen information private; screen data is visible only to persons directly in front of the display- Will not blur or distort on-screen images- Users experience clearer, crisper images on-screen than with competitive filters- Protects your screen from dust and dirt- More scratch and scuff-resistant than competitive filters- Application adhesive specially formulated for display screens- Made in USA3M™ PFMA13 Laptop Privacy Filter for the 13" MacBook® Air allows you to work privately in public places. 3M™ privacy technology darkens on-screen data when viewed from the side and provides higher clarity than competitive filters. The filter application system features an optically clear adhesive designed specifically for display screens. Testing proves that, when kept clean, filter can be repositioned hundreds of times.